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Joel Levy

Joel Levy is a writer and journalist specializing in science and history. He is the author of over a dozen books, including The Little Book of Conspiracies and Scientific Feuds: From Galileo to the Human Genome Project. PHOBIAPEDIA is his first book for children.

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Quotes

Katja Øssursdottir Kaaehas quoted2 years ago
neuron consists of a cell body with many ‘projections’ leading away from it. Most of these projections are ‘dendrites’, which collect information from other neurons and bring it to the cell body.
Katja Øssursdottir Kaaehas quoted2 years ago
he central nervous system includes the brain and spinal cord, while the peripheral includes the nerves that extend to your skin and muscles, and which carry sensory and motor signals, or impulses.
Katja Øssursdottir Kaaehas quoted2 years ago
most neurons the axon is coated with a fatty white sheath called ‘myelin’, which acts as a kind of insulator, speeding the transmission of nervous signals.
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